/Engine/Plugins/Runtime/RigVM/Source/RigVMEditor/Public/Editor/RigVMEditor.h
virtual void HandleVariableDroppedFromBlueprint ( [UObject](API\Runtime\CoreUObject\UObject\UObject) * InSubject, [FProperty](API\Runtime\CoreUObject\UObject\FProperty) * InVariableToDrop, const FVector2D & InDropPosition, const FVector2D & InScreenPosition )